Insert the flange (20) in its housing in the fuel tank.
Apply prescribed threadlocker to the screws (9) and tighten to a torque of 6 nm +/- 10% (sect. 3 - 3, Frame torque settings), following the indicated order.

Replacing the tank flange and fuel sensor
Refitting the fuel tankRefitting the cylinder head assemblies
Warning
To prevent oil leaks past the contact area between cylinders and
crankcase, each time the head is removed, cylinder and
piston must be removed as well to clean the mating faces of crankcase and
cylinder and restore the spoiled gaskets and
o-rings and apply again liquid sealant (sect. ...
Check engine oil level
Check the engine oil level through the sight glass (1) on the right-hand side
of the oil sump.
Stop the engine and allow a few minutes for the oil to settle to a steady level.
Oil level must be checked with the vehicle perfectly upright and the engine
cold.
The oil must be between the m ...
Removal of the rear wheel eccentric hub and rear wheel shaft
Before removing the eccentric hub, you must first remove the parts listed
below.
Slacken off the screws (34).
Remove the spacer (20) and the inner ring (21) on the chain side and remove the
wheel shaft (31) with the brake disc
(30) from the opposite side.
Remove the circlip (19 ...